Multiple choice

Which of the following is the chief inhibitory neurotransmitter in mammals?

  1. Galantamine

  2. Galactose

  3. γ-Aminobutyric acid

  4. gamma-Butyrolactone
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

γ-Aminobutyric acid is the chief inhibitory neurotransmitter in the mammalian central nervous system. It plays a role in regulating neuronal excitability throughout the nervous system. In humans, GABA is also directly responsible for the regulation of muscle tone.

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